 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui;


 /**
  * Describes the public attributes for a project and the acceptable values
  * each may have.
  * <p>
  * A popup menu extension may use these constants to describe its object target.
  * Each identifies an attribute name or possible value.
  * <p>
  * Clients are not expected to implement this interface.
  * </p>
  *
  * @see org.eclipse.ui.IActionFilter
  */
 public interface IProjectActionFilter extends IResourceActionFilter {

     /**
      * An attribute indicating the project nature (value <code>"nature"</code>).
      * The attribute value in xml is unconstrained.
      */
     public static final String NATURE = "nature"; //$NON-NLS-1$

     /**
      * An attribute indicating whether the project is open (value <code>"open"</code>).
      * The attribute value in xml must be one of <code>"true" or "false"</code>.
      */
     public static final String OPEN = "open"; //$NON-NLS-1$

 }

